Upper chamber liner



FIG. 1 is a top perspective view of an upper chamber liner showing our new design;

FIG. 2 is another perspective view thereof;

FIG. 3 is a bottom perspective thereof;

FIG. 4 is another perspective view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a side view thereof;

FIG. 8 is another side view thereof;

FIG. 9 is another side view thereof;

FIG. 10 is a cross sectional view taken along line 10-10 in FIG. 5;

FIG. 11 is an enlarged portion view taken along lines 11-11 in FIG. 10; and,

FIG. 12 is an enlarged portion view taken along lines 12-12 in FIG. 10.

The broken lines in the figures form no part of the claimed design.

The upper chamber liner is shown broken away in FIGS. 11 and 12 to indicate that no particular length is claimed.

All surfaces not shown, form no part of the claimed design. 

CLAIM The ornamental design for an upper chamber liner, as shown and described. 